Home / 4,146.95-5,722.82-2,378.51

Finding the Fourth Proportional to 4,146.95, 5,722.82 and 2,378.51

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Solution

The fourth proportional to 4,146.95, 5,722.82 and 2,378.51 is: 3,282.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,146.95 : 5,722.82 = 2,378.51 : x
  2. Step 2: Convert to fraction form
    4,146.95/5,722.82 = 2,378.51/x
  3. Step 3: Cross multiply
    4,146.95x = 5,722.82 × 2,378.51
  4. Step 4: Simplify right side
    4,146.95x = 13,611,744.09
  5. Step 5: Solve for x
    x = 13,611,744.09/4,146.95
  6. Step 6: Final answer
    x = 3,282.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.